/*
 *
 * Copyright (c) 2010 C. F., Wong (<a href="http://cloudgen.w0ng.hk">Cloudgen Examplet Store</a>)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *

﻿ version 1.02 
 fix the problem when precision has been set and the input start with decimal dot or comma ,e.g. precision set to 3 and input with ".1234"
 */
var email={tldn:new RegExp("^[^\@]+\@[^\@]+\.(A[C-GL-OQ-UWXZ]|B[ABD-JM-OR-TVWYZ]|C[ACDF-IK-ORUVX-Z]|D[EJKMOZ]|E[CEGR-U]|F[I-KMOR]|G[ABD-IL-NP-UWY]|H[KMNRTU]|I[DEL-OQ-T]|J[EMOP]|K[EG-IMNPRWYZ]|L[A-CIKR-VY]|M[AC-EGHK-Z]|N[ACE-GILOPRUZ]|OM|P[AE-HKL-NR-TWY]|QA|R[EOSUW]|S[A-EG-ORT-VYZ]|T[CDF-HJ-PRTVWZ]|U[AGKMSYZ]|V[ACEGINU]|W[FS]|XN|Y[ETU]|Z[AMW]|AERO|ARPA|ASIA|BIZ|CAT|COM|COOP|EDU|GOV|INFO|INT|JOBS|MIL|MOBI|MUSEUM|NAME|NET|ORG|PRO|TEL|TRAVEL)$","i")};
(function($){
	$.extend($.expr[":"],{
		regex:function(d,a,c){
			var e=new RegExp(c[3],"g");
			var b=("text"===d.type)?d.value:d.innerHTML;
			return(b=="")?true:(e.exec(b))
		}
	});
	$.fn.output=function(d){
		return(this.is(":text"))?this.val(d):this.html(d)
	};
	formatter={
		getRegex:function(settings){
			var settings=$.extend({type:"decimal",precision:5,decimal:'.',allow_negative:true},settings);
			var result="";
			if(settings.type=="decimal"){
				var e=(settings.allow_negative)?"-?":"";
				if(settings.precision>0)
					result="^"+e+"\\d+$|^"+e+"\\d*"+settings.decimal+"\\d{1,"+settings.precision+"}$";
				else result="^"+e+"\\d+$"
			}else if(settings.type=="phone-number"){
				result="^\\d[\\d\\-]*\\d$"
			}else if(settings.type=="alphabet"){
				result="^[A-Za-z]+$"
			}
			return result
		},
		isEmail:function(d){
			var a=$(d).output();
			var c=false;
			var e=true;
			var e=new RegExp("[\s\~\!\#\$\%\^\&\*\+\=\(\)\[\]\{\}\<\>\\\/\;\:\,\?\|]+");
			if(a.match(e)!=null){
				return c
			}
			if(a.match(/((\.\.)|(\.\-)|(\.\@)|(\-\.)|(\-\-)|(\-\@)|(\@\.)|(\@\-)|(\@\@))+/)!=null){
				return c
			}
			if(a.indexOf("\'")!=-1){
				return c
			}
			if(a.indexOf("\"")!=-1){
				return c
			}
			if(email.tldn&&a.match(email.tldn)==null){
				return c
			}
			return e
		},
		formatString:function(target,settings){
			var settings=$.extend({type:"decimal",precision:5,decimal:'.',allow_negative:true},settings);
			var oldText=$(target).output();
			var newText=oldText;
			if(settings.type=="decimal"){
				if(newText!=""){
					var g;
					var h=(settings.allow_negative)?"\\-":"";
					var i="\\"+settings.decimal;
					g=new RegExp("[^\\d"+h+i+"]+","g");
					newText=newText.replace(g,"");
					var h=(settings.allow_negative)?"\\-?":"";
					if(settings.precision>0)
						g=new RegExp("^("+h+"\\d*"+i+"\\d{1,"+settings.precision+"}).*");
					else g=new RegExp("^("+h+"\\d+).*");
					newText=newText.replace(g,"$1")
				}
			}else if(settings.type=="phone-number"){
				newText=newText.replace(/[^\-\d]+/g,"").replace(/^\-+/,"").replace(/\-+/,"-")
			}else if(settings.type=="alphabet"){
				newText=newText.replace(/[^A-Za-z]+/g,"")
			}
			if(newText!=oldText)
				$(target).output(newText)
		}
	};
	$.fn.format=function(settings,wrongFormatHandler){
		var settings=$.extend({type:"decimal",precision:5,decimal:".",allow_negative:true,autofix:false},settings);
		var decimal=settings.decimal;
		wrongFormatHandler=typeof wrongFormatHandler=="function"?wrongFormatHandler:function(){};
		this.keypress(function(d){
			$(this).data("old-value",$(this).val());
			var a=d.charCode?d.charCode:d.keyCode?d.keyCode:0;
			if(a==13&&this.nodeName.toLowerCase()!="input"){return false}
			if((d.ctrlKey&&(a==97||a==65||a==120||a==88||a==99||a==67||a==122||a==90||a==118||a==86||a==45))||(a==46&&d.which!=null&&d.which==0))
				return true;
			if(a<48||a>57){
				if(settings.type=="decimal"){
					if(settings.allow_negative&&a==45&&this.value.length==0)return true;
					if(a==decimal.charCodeAt(0)){
						if(settings.precision>0&&this.value.indexOf(decimal)==-1)return true;
						else return false
					}
					if(a!=8&&a!=9&&a!=13&&a!=35&&a!=36&&a!=37&&a!=39){return false}
					return true
				}else if(settings.type=="email"){
					if(a==8||a==9||a==13||(a>34&&a<38)||a==39||a==45||a==46||(a>64&&a<91)||(a>96&&a<123)||a==95){return true}
					if(a==64&&this.value.indexOf("@")==-1)return true;
					return false
				}else if(settings.type=="phone-number"){
					if(a==45&&this.value.length==0)return false;
					if(a==8||a==9||a==13||(a>34&&a<38)||a==39||a==45){return true}
					return false
				}else if(settings.type=="alphabet"){
					if(a==8||a==9||a==13||(a>34&&a<38)||a==39||(a>64&&a<91)||(a>96&&a<123))
					return true
				}else return false
			}else{
				if(settings.type=="alphabet"){
					return false
				}else return true
			}
		})
		.blur(function(){
			if(settings.type=="email"){
				if(!formatter.isEmail(this)){
					wrongFormatHandler.apply(this)
				}
			}else{
				if(!$(this).is(":regex("+formatter.getRegex(settings)+")")){
					wrongFormatHandler.apply(this)
				}
			}
		})
		.focus(function(){
			$(this).select()
		});
		if(settings.autofix){
			this.keyup(function(d){
				if($(this).data("old-value")!=$(this).val())
					formatter.formatString(this,settings)
				}
			)
		}
		return this
	}
})(jQuery);
